28991300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 70177800

約数和(自身を除く): 41186500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 769, 1300, 1450, 1508, 1538, 1885, 2900, 3076, 3770, 3845, 7540, 7690, 9425, 9997, 15380, 18850, 19225, 19994, 22301, 37700, 38450, 39988, 44602, 49985, 76900, 89204, 99970, 111505, 199940, 223010, 249925, 289913, 446020, 499850, 557525, 579826, 999700, 1115050, 1159652, 1449565, 2230100, 2899130, 5798260, 7247825, 14495650, 28991300]

約数ペア:

[(1, 28991300), (2, 14495650), (4, 7247825), (5, 5798260), (10, 2899130), (13, 2230100), (20, 1449565), (25, 1159652), (26, 1115050), (29, 999700), (50, 579826), (52, 557525), (58, 499850), (65, 446020), (100, 289913), (116, 249925), (130, 223010), (145, 199940), (260, 111505), (290, 99970), (325, 89204), (377, 76900), (580, 49985), (650, 44602), (725, 39988), (754, 38450), (769, 37700), (1300, 22301), (1450, 19994), (1508, 19225), (1538, 18850), (1885, 15380), (2900, 9997), (3076, 9425), (3770, 7690), (3845, 7540)]